page{ 
    background:#f70;
}

.problem_h2{ color: #fff; font-size: 46rpx; font-weight: bold; margin: 50rpx;}
.wenti view{ color: #333; background:rgb(255, 232, 210); font-size: 32rpx; font-weight: bold; margin: 40rpx 50rpx; padding: 20rpx 40rpx; border-radius: 20rpx;}
.fanhui{ color: #ffff00; font-weight: bold; font-size: 32rpx; text-align: center; margin-top: 60rpx;}